The Stem,fluid Valve, cataloged under National Stock Number 4820-01-121-7541, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Grove Valve Operations. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-121-7541 |
| Primary Part Number | 009-11705 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Grove Valve Operations |
| Status | ACTIVE |
| Largest Outside Diameter | 0.190 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 009-11705 PRIMARY | Grove Valve Operations (USA) |
| W-202H-A25-1 ITEM 14 | Grove Valve Operations (USA) |
| W-202B-A37-1 ITEM 14 | Grove Valve Operations (USA) |
| 1891457 PRIMARY | Discovery Corporation (USA) |
NSN 4820-01-121-7541 is a Stem,fluid Valve, manufactured by Grove Valve Operations, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-121-7541 has 4 manufacturer part numbers on file: 009-11705 (Grove Valve Operations), W-202H-A25-1 ITEM 14 (Grove Valve Operations), W-202B-A37-1 ITEM 14 (Grove Valve Operations), 1891457 (Discovery Corporation).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-272-7000. Verify interchangeability with system specifications before substitution.
Key specifications for 009-11705: Largest Outside Diameter: 0.190 INCHES NOMINAL IN; Overall Length: 1.878 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING. 2 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.